<%if user_hash.key?(key)%>
  <%domid="#{id}_user_from_#{key}"%>
  <li class="pending_allocation" id='<%=domid%>'><b> <%=key%></b> [  <b>
  <%=user_hash[key].size%>
  </b>  名]
  <br/>
  </li>
  <%=draggable_element(domid,:ghosting=>true,:revert=>true)%>
<%end%>